package cn.interestingshop.servlet;

import cn.interestingshop.entity.Classify;
import cn.interestingshop.service.ClassifyService;
import cn.interestingshop.service.impl.ClassifyServiceImpl;
import com.alibaba.fastjson.JSON;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

@WebServlet("/back/ClassifySelectAllAjaxServlet")
public class ClassifySelectAllAjaxServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //1.设置编码
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=UTF-8");
        //2.获取请求参数
        String parentId = request.getParameter("parentId");
        //3.调用service进行业务处理
        ClassifyService service=new ClassifyServiceImpl();
        List<Classify> list = service.selectAll(Integer.parseInt(parentId));
        //4.分析返回结果
        response.getWriter().print(JSON.toJSONString(list));
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request,response);
    }
}
